1640s, from Middle French origination (15c.), from Latin originationem (nominative originatio), from originem (see original (adj.)).

originate

v.

1650s, probably a back-formation of origination. In earliest reference it meant "to trace the origin of;" meaning "to bring into existence" is from 1650s; intransitive sense of "to come into existence" is from 1775. Related: Originated; originating.